Stackable bar stool



FIG. 1 is a perspective view of a stackable bar stool, showing my new design;

FIG. 2 is a top view of the stool;

FIG. 3 is an elevational view facing one side of the stool; and,

FIG. 4 is a rear elevational view thereof. 

The ornamental design for a stackable bar stool, as shown and described. 